Finding the Third Proportional to 4,648,491 and 10,043,910

Step by Step Solution

1. Step 1: Write the proportion equation
   4,648,491 : 10,043,910 = 10,043,910 : x
2. Step 2: Convert to fraction form
   4,648,491/10,043,910 = 10,043,910/x
3. Step 3: Cross multiply
   4,648,491x = 10,043,910 × 10,043,910
4. Step 4: Simplify right side
   4,648,491x = 100,880,128,088,100
5. Step 5: Solve for x
   x = 100,880,128,088,100/4,648,491
6. Step 6: Final answer
   x = 21,701,693.75